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[Qemu-devel] [PATCH 02/19] add qemu_icount_round
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 02/19] add qemu_icount_round |
Date: |
Mon, 21 Dec 2009 09:09:13 +0100 |
Signed-off-by: Paolo Bonzini <address@hidden>
---
vl.c | 13 +++++++------
1 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/vl.c b/vl.c
index e38cea7..97410ad 100644
--- a/vl.c
+++ b/vl.c
@@ -920,6 +920,11 @@ static void configure_icount(const char *option)
qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10);
}
+static int64_t qemu_icount_round(int64_t count)
+{
+ return (count + (1 << icount_time_shift) - 1) >> icount_time_shift;
+}
+
static struct qemu_alarm_timer alarm_timers[] = {
#ifndef _WIN32
#ifdef __linux__
@@ -4031,9 +4036,7 @@ static int qemu_cpu_exec(CPUState *env)
qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
env->icount_decr.u16.low = 0;
env->icount_extra = 0;
- count = qemu_next_deadline();
- count = (count + (1 << icount_time_shift) - 1)
- >> icount_time_shift;
+ count = qemu_icount_round (qemu_next_deadline());
qemu_icount += count;
decr = (count > 0xffff) ? 0xffff : count;
count -= decr;
@@ -4141,9 +4144,7 @@ static int qemu_calculate_timeout(void)
if (add > 10000000)
add = 10000000;
delta += add;
- add = (add + (1 << icount_time_shift) - 1)
- >> icount_time_shift;
- qemu_icount += add;
+ qemu_icount += qemu_icount_round (add);
timeout = delta / 1000000;
if (timeout < 0)
timeout = 0;
--
1.6.5.2
- [Qemu-devel] [PATCH 00/19][RFC] Cleanups + split timer handling out of vl.o, Paolo Bonzini, 2009/12/21
- [Qemu-devel] [PATCH 01/19] centralize handling of -icount, Paolo Bonzini, 2009/12/21
- [Qemu-devel] [PATCH 02/19] add qemu_icount_round,
Paolo Bonzini <=
- [Qemu-devel] [PATCH 03/19] avoid dubiously clever code in win32_start_timer, Paolo Bonzini, 2009/12/21
- [Qemu-devel] [PATCH 05/19] only one flag is needed for alarm_timer, Paolo Bonzini, 2009/12/21
- [Qemu-devel] [PATCH 04/19] fix error in win32_rearm_timer, Paolo Bonzini, 2009/12/21
- [Qemu-devel] [PATCH 07/19] add qemu_get_clock_ns, Paolo Bonzini, 2009/12/21
- [Qemu-devel] [PATCH 09/19] remove qemu_rearm_alarm_timer from main loop, Paolo Bonzini, 2009/12/21
- [Qemu-devel] [PATCH 08/19] move kbd/mouse events to event.c, Paolo Bonzini, 2009/12/21
- [Qemu-devel] [PATCH 11/19] use a bottom half to run timers, Paolo Bonzini, 2009/12/21